to cheat on a man with another woman, said of a woman; same-sexinfidelity by a woman
Studies find that men are, on average, more tolerant of being femcucked than being a traditional cuckold.
Studies also find women to be much less tolerant of their partner's same-sex infidelity than men are.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.